#!/bin/sh

# Slackware build script for paraview

# Copyright 2016-2018 Christoph Willing  Brisbane, Australia
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PRGNAM=paraview
SRCNAM=ParaView
VERSION=${VERSION:-5.6.0}
SHORT_VERSION=${SHORT_VERSION:-5.6}
DOC_VERSION=${DOC_VERSION:-5.6.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

mpich="-DPARAVIEW_USE_MPI=ON \
    -DVTK_VPIC_USE_MPI=ON -DVTK_XDMF_USE_MPI=ON" ;  [ "${MPICH:-yes}" != "yes" ]      && mpich=""
matplotlib="-DPARAVIEW_ENABLE_MATPLOTLIB=ON" ;      [ "${MATPLOTLIB:-yes}" != "yes" ] && matplotlib=""
pythonqt="-DPARAVIEW_BUILD_PLUGIN_PythonQtPlugin=ON \
    -DPythonQt_Wrap_Qtcore=ON \
    -DPythonQt_Wrap_Qtgui=ON \
    -DPythonQt_Wrap_Qtuitools=ON \
    -DPYTHONQT_INCLUDE_DIR=/usr/include/PythonQt" ; [ "${PYTHONQT:-no}" != "yes" ]    && pythonqt=""

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM-v$VERSION
tar xvf $CWD/$SRCNAM-v$VERSION.tar.xz
cd $SRCNAM-v$VERSION
patch -p0 < $CWD/011_doc_path.diff
patch -p0 < $CWD/020_vtkdocs.diff
sed -i -e 's/@PARAVIEW_VERSION_FULL@/1.0/'  Applications/ParaView/paraview.desktop.in
echo "Exec=paraview" >> Applications/ParaView/paraview.desktop.in
echo "Categories=Development;Graphics" >> Applications/ParaView/paraview.desktop.in
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

mkdir -p build
cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DLIB_SUFFIX=${LIBDIRSUFFIX} \
    -DFFMPEG_LIBAVCODEC_INCLUDE_DIRS=/usr/include/libavcodec \
    -DFFMPEG_LIBAVDEVICE_INCLUDE_DIRS=/usr/include/libavdevice \
    -DFFMPEG_LIBAVFORMAT_INCLUDE_DIRS=/usr/include/libavformat \
    -DFFMPEG_LIBAVUTIL_INCLUDE_DIRS=/usr/include/libavutil \
    -DFFMPEG_LIBSWSCALE_INCLUDE_DIRS=/usr/include/libswscale \
    -DPARAVIEW_BUILD_QT_GUI=ON \
    -DPARAVIEW_ENABLE_XDMF3=ON \
    -DPARAVIEW_ENABLE_CATALYST=ON \
    -DPARAVIEW_ENABLE_FFMPEG=ON \
    -DPARAVIEW_ENABLE_PYTHON=ON \
    -DPARAVIEW_INSTALL_DEVELOPMENT_FILES=ON \
    -DVTK_RENDERING_BACKEND="OpenGL2" \
    -DBUILD_DOCUMENTATION=ON \
    -DBUILD_EXAMPLES=ON \
    -DBUILD_TESTING=OFF \
    -DINSTALL_MAN_DIR=/usr/man \
    -DINSTALL_LIB_DIR=/usr/lib${LIBDIRSUFFIX} \
    -DICET_INSTALL_MAN_DIR=man \
    -DVTK_INSTALL_ARCHIVE_DIR=lib${LIBDIRSUFFIX}/${PRGNAM}-${VERSION} \
    -DVTK_INSTALL_LIBRARY_DIR=lib${LIBDIRSUFFIX}/${PRGNAM}-${VERSION} \
    -DVTK_INSTALL_PACKAGE_DIR=lib${LIBDIRSUFFIX}/cmake/${PRGNAM}-${VERSION} \
    -DVTK_INSTALL_DOC_DIR=doc/${PRGNAM}-${VERSION} \
    -DQtTesting_INSTALL_LIB_DIR=lib${LIBDIRSUFFIX} \
    -DQtTesting_INSTALL_CMAKE_DIR=lib${LIBDIRSUFFIX}/cmake/qttesting \
    $matplotlib \
    $mpich \
    $pythonqt \
    -DCMAKE_BUILD_TYPE=Release ..
  make
  make install DESTDIR=$PKG
cd ..

# Remove duplicate files in usr/lib
[ -r $PKG/usr/lib${LIBDIRSUFFIX}/${PRGNAM}-${VERSION}/libXdmfCore.so ] && \
  rm -f $PKG/usr/lib/libXdmfCore.so
[ -r $PKG/usr/lib${LIBDIRSUFFIX}/${PRGNAM}-${VERSION}/libvtkxdmf3.so ] && \
  rm -f $PKG/usr/lib/libvtkxdmf3.so
if [ "$ARCH" = "x86_64" ]; then
  rm -rf  $PKG/usr/lib
fi

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  CONTRIBUTING.* Copyright.* License_v1.2.txt README.* version.txt \
  $PKG/usr/doc/$PRGNAM-$VERSION
cp $CWD/ParaViewGettingStarted-${DOC_VERSION}.pdf $PKG/usr/doc/$PRGNAM-$VERSION/GettingStarted.pdf
cp $CWD/ParaViewGuide-${DOC_VERSION}.pdf $PKG/usr/doc/$PRGNAM-$VERSION/Guide.pdf
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
